Abstract

Bandgap narrowed Zr-doped graphitic carbon nitride (g-C3N4) catalysts with different Zr doping concentrations were synthesized through a pyrolysis approach. It was observed that Zr-doped g-C3N4 catalysts possessed worm-like mesostructures with higher specific surface area. Characterization results implied that a high-performance g-C3N4 photocatalyst can be synthesized with combining narrowed bandgap, reduced recombination rate of photogenerated electron–hole pairs and enlarged specific surface area by means of direct Zr doping modification.

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